Note: In horizontal system installations, Chainwheel Operators should be generally mounted with operator below valve (inverted valve) to maintain clearance between chain and system piping.
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注:在水平安装系统中,链轮操作机构通常应该将操作机构安装在阀门(逆止阀)下方,以保证链条和系统管道之间有足够的空间。
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